丙泊酚预处理对脓毒症大鼠认知功能的影响

被引:3
作者
杨博 [1 ]
张茂芮 [2 ]
周军 [1 ]
机构
[1] 西南医科大学附属医院麻醉科
[2] 西南医科大学附属口腔医院种植科
关键词
丙泊酚; 脓毒症; 认知功能; 氧化应激;
D O I
暂无
中图分类号
R614 [麻醉学];
学科分类号
100217 [麻醉学];
摘要
目的探讨丙泊酚预处理对脓毒症大鼠认知功能的影响。方法将SD大鼠48只分为假手术组、造模组、低剂量及高剂量丙泊酚预处理组。盲肠结扎穿孔法建立脓毒症模型,在造模前10 min按丙泊酚高低剂量持续泵注。通过水迷宫检测大鼠认知功能改变;术后48 h检测血清炎症因子含量;观察大鼠脑组织病理改变;检测各组大鼠的额叶皮质和海马CA1区IL-1β、IL-6、TNF-α的mRNA和蛋白水平及丙二醛(MDA)、超氧化物歧化酶(SOD)和活性氧(ROS)含量。结果与假手术组比,造模组大鼠的认知功能显著受损,血清炎症因子含量增加,额叶皮质和海马CA1区神经元损伤严重,IL-1β、IL-6、TNF-α的mRNA和蛋白表达显著增加,MDA和ROS水平升高,SOD活性降低。与造模组比,丙泊酚预处理组的上述指标均有所改善。结论丙泊酚预处理可减轻脓毒症所致认知功能障碍,机制可能与抗炎和抗氧化作用相关。
引用
收藏
页码:845 / 850
页数:6
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